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HTML Tidy
HTML Tidy is a HTML linter. For more info on this algorithm, please see:
http://tidy.sf.net/
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edit
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List of the Tidy errors
Error id
Link to the error description (en-US)
de-DE
Tidy_1
entity "..." doesn't end in ';'
Tidy_1_DE
Tidy_2
numeric character reference "..." doesn't end in ';'
Tidy_3
unescaped & or unknown entity "..."
Tidy_3_DE
Tidy_4
unescaped & which should be written as &
Tidy_5
named entity ' only defined in XML/XHTML
Tidy_6
missing </...>
Tidy_7
missing </...> before ...
Tidy_8
discarding unexpected ...
Tidy_9
nested emphasis ... (Notice)
Tidy_10
replacing unexpected ... by </...>
Tidy_11
... isn't allowed in <...> elements
Tidy_12
missing <...>
Tidy_13
unexpected </...> in <...>
Tidy_14
using <br> in place of ...
Tidy_15
inserting implicit <...>
Tidy_16
missing quote mark for attribute value
Tidy_17
inserting missing 'title' element
Tidy_18
repeated FRAMESET element
Tidy_19
... can't be nested
Tidy_20
replacing obsolete element ... by ...
Tidy_21
... is not approved by W3C
Tidy_22
... is not recognized!
Tidy_23
trimming empty ...
Tidy_24
<...> is probably intended as </...>
Tidy_25
... shouldn't be nested
Tidy_26
... not inside 'noframes' element
Tidy_27
content occurs after end of body
Tidy_28
HTML DOCTYPE doesn't match content
Tidy_29
adjacent hyphens within comment
Tidy_30
expecting -- or >
Tidy_31
XML comments can't contain --
Tidy_32
'<' + '/' + letter not allowed here
Tidy_33
HTML namespace doesn't match content
Tidy_34
isn't allowed after elements
Tidy_35
discarding malformed
Tidy_36
unexpected end of file ...
Tidy_37
SYSTEM, PUBLIC, W3C, DTD, EN must be upper case
Tidy_38
too many ... elements in <...>
Tidy_39
unescaped ... in pre content
Tidy_40
nested q elements, possible typo.
Tidy_41
... element not empty or not closed
Tidy_42
Output encoding does not work with standard output
Tidy_43
-
Tidy_44
missing <!DOCTYPE> declaration
Tidy_45
removing whitespace preceding XML Declaration
Tidy_46
too many ... elements in <...>
Tidy_47
unexpected </...> in <...>
Tidy_48
... unknown attribute "..."
Tidy_49
... inserting "..." attribute
Tidy_50
... attribute "..." lacks value
Tidy_51
... attribute "..." has invalid value "..."
Tidy_52
... missing '>' for end of tag
Tidy_53
... proprietary attribute "..."
Tidy_54
... proprietary attribute value "..."
Tidy_55
... dropping value "..." for repeated attribute "..."
Tidy_56
... should use client-side image map
Tidy_57
... has XML attribute "..."
Tidy_58
... unexpected or duplicate quote mark
Tidy_59
... attribute with missing trailing quote mark
Tidy_60
... id and name attribute value mismatch
Tidy_61
... URI reference contains backslash. Typo?
Tidy_62
... converting backslash in URI to slash
Tidy_63
... improperly escaped URI reference
Tidy_64
... escaping malformed URI reference
Tidy_65
... discarding newline in URI reference
Tidy_66
... anchor "..." already defined
Tidy_67
-
Tidy_68
... joining values of repeated attribute "..."
Tidy_69
... unexpected '=', expected attribute name
Tidy_70
... attribute value "..." must be lower case for XHTML
Tidy_71
... ID "..." uses XML ID syntax
Tidy_72
... attribute name "..." (value="...") is invalid
Tidy_73
... attribute "..." had invalid value "..." and has been replaced
Tidy_74
... cannot copy name attribute to id
Tidy_75
... end of file while parsing attributes
Tidy_76
... invalid character code ...
Tidy_77
... invalid character code ...
Tidy_78
... invalid UTF-8 bytes (char. code ...)
Tidy_79
... invalid UTF-16 surrogate pair (char. code ...)
Tidy_80
specified input encoding (...) does not match actual input encoding (...)
Tidy_81
-
Tidy_82
... invalid numeric character reference ...
Tidy_83
replacing ... by ...
Tidy_84
replacing unexpected ... by ...
Tidy_85
<...> is probably intended as </...>
Tidy_85_DE
Tidy_86
... lacks "..." attribute
Tidy_87
... is not a reserved word